Topic 1a - cell structure and cell division ( 5. Mitosis ) Flashcards
1
Q
what is mitosis
A
when a cell reproduces itself by splitting to form two identical daughter cells.
2
Q
Stage 1 in cell cycle
A
Cell replicates its DNA to form two copies of every chromosome, as well as making more sub-cellular structures like mitochondria, ribosomes and chloroplasts
3
Q
Stage 2 in cell cycle
A
Mitosis: the chromosomes separate into 2 identical sets of 46 (23 pairs), and each set is pulled to opposite sides of the cell as the nucleus divides into two
4
Q
Stage 3 in cell cycle
A
The cell membrane and cytoplasm split and divide to form two identical cells